Home / 840,479.76-1,159,772.63-472,950.48

Finding the Fourth Proportional to 840,479.76, 1,159,772.63 and 472,950.48

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Solution

The fourth proportional to 840,479.76, 1,159,772.63 and 472,950.48 is: 652,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,479.76 : 1,159,772.63 = 472,950.48 : x
  2. Step 2: Convert to fraction form
    840,479.76/1,159,772.63 = 472,950.48/x
  3. Step 3: Cross multiply
    840,479.76x = 1,159,772.63 × 472,950.48
  4. Step 4: Simplify right side
    840,479.76x = 548,515,019,684.61
  5. Step 5: Solve for x
    x = 548,515,019,684.61/840,479.76
  6. Step 6: Final answer
    x = 652,621.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.